Laser sensor support for testing rigidity of mechanical arm of robot

Abstract

The utility model relates to the field of robot testing, in particular to a laser sensor support for testing rigidity of a mechanical arm of a robot, which comprises an upper connecting ring and a lower connecting ring, and further comprises three groups of telescopic supporting legs and reinforcing legs in one-to-one correspondence with the telescopic supporting legs, the top ends of the telescopic supporting legs are movably connected with the upper connecting ring, and the lower ends of the telescopic supporting legs are movably connected with the lower connecting ring. One end of the reinforcing leg is connected with the middle of the telescopic supporting leg, the other end of the reinforcing leg is movably connected with the lower connecting ring, a square positioning sleeve is arranged in the upper connecting ring and the lower connecting ring, a rotating ejector head is arranged on the positioning sleeve and used for ejecting and fixing a square pipe penetrating through the positioning sleeve, and a vertically-arranged fixing plate is arranged on the square pipe. The two sides of the fixing plate are respectively provided with a mounting seat for holding a laser sensor. By using the bracket, two groups of laser sensors can be simultaneously fixed, the rigidity of the mechanical arm can be conveniently and simultaneously tested, and the efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model discloses robot testing field, especially relate to a kind of laser sensor support for testing robot mechanical arm rigidity. BACKGROUND

[0002] Rigidity is one of the key performance indicators of robot mechanical arm, which directly affects the motion accuracy and load control ability of the mechanical arm. By detecting rigidity, the performance of the mechanical arm can be evaluated and optimized to ensure the desired working effect in the application scenario. In human-robot interaction environment, the rigidity of the robot needs to meet the requirements in terms of load capacity and motion accuracy, and also needs to have a certain flexibility to ensure safety when interacting with humans. Detecting rigidity helps to balance these requirements and ensure that the robot can work efficiently and safely interact with humans. Rigidity detection helps to identify potential faults and weak links in the mechanical arm, and by systematically applying gradually increasing environmental stress and working stress, faults are triggered to evaluate the reliability of product design and predict its service life

[0003] To effectively test the rigidity of the mechanical arm of the robot, laser sensors can be used for detection, such as IL-300 laser sensors from Keyence or OD5-85T20 laser sensors from Sick. The probe is fixed using a triangular bracket, and data acquisition and output are performed through software. Rigidity testing is then achieved through result analysis.

[0004] To ensure accuracy, sometimes multiple methods need to be used for testing. If a traditional tripod is used, two separate tests need to be performed, which is inconvenient. UTILITY MODEL CONTENTS

[0005] To overcome the defects of the prior art or one of the defects, the utility model discloses a kind of laser sensor support for testing robot mechanical arm rigidity, two groups of laser sensors can be fixed simultaneously by the use of the support, it is convenient to test the rigidity of mechanical arm simultaneously, and efficiency is improved.

[0006] To achieve the above effects, the technical solution adopted by the present application is a kind of laser sensor support for testing robot mechanical arm rigidity, the support includes upper connecting ring and lower connecting ring, and further includes three groups of telescopic legs and the corresponding reinforcing leg of telescopic leg, the top of telescopic leg is movably connected with upper connecting ring, one end of reinforcing leg is connected with the middle part of telescopic leg, and the other end is movably connected with lower connecting ring, square positioning sleeve is arranged in upper connecting ring and lower connecting ring, rotating head is arranged on the positioning sleeve for clamping and fixing square tube passing through the positioning sleeve, vertical fixing plate is arranged on the square tube, and mounting seat for containing laser sensor is arranged on both sides of fixing plate.

[0007] Further, the telescopic supporting leg comprises an outer supporting leg and an inner supporting leg arranged in the outer supporting leg, and a supporting leg fixing head is arranged on the outer supporting leg to fix the position of the inner supporting leg.

[0008] Further, the side edge of the outer supporting leg is provided with a limiting groove, and the side edge of the inner supporting leg is provided with a limiting column, which moves in the limiting groove along with the movement of the inner supporting leg in the outer supporting leg.

[0009] Further, the mounting seat comprises a side plate, at least one set of fixing ears are arranged on the side plate, two sets of long circular slot holes are arranged on the fixing ears, a base is arranged at the bottom of the side plate, and a fixing ring is arranged at the middle of the side plate.

[0010] Further, the edge of the base extends upwards to form a fixing edge, and a fixing hole is arranged at the center of the base.

[0011] Further, the bottom of the telescopic supporting leg is provided with a foot support.

[0012] Compared with the prior art, the test efficiency is improved and the test cost is reduced, two groups of laser sensors can be fixed at the same time through the use of the support, the rigidity of the mechanical arm is conveniently tested at the same time, and the efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below.

[0014] Figure 1 It is a structural schematic view of the whole of the present application.

[0015] Figure 2 It is a structural schematic view of the fixed plate and the mounting seat of the present application.

[0016] Figure 3 It is a structural schematic view of the support of the present application.

[0017] Figure 4 It is a structural schematic view of the mounting seat of the present application.

[0018] Figure 5 It is a structural schematic view of the mounting seat of the present application when in use.

[0019] Among them: the upper connecting ring-1, the lower connecting ring-2, the telescopic supporting leg-3, the reinforcing leg-4, the positioning sleeve-5, the rotating top head-6, the square tube-7, the fixed plate-8, the mounting seat-9, the foot support-10, the outer supporting leg-31, the inner supporting leg-32, the supporting leg fixing head-33, the limiting groove-34, the limiting column-35, the side plate-91, the fixing ear-92, the slot hole-93, the base-94, the fixing ring-95, the fixing edge-96, and the fixing hole-97. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings. In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "communication" should be understood broadly, and the specific meanings of the above terms in the utility model can be understood by the person skilled in the art according to the specific circumstances.

[0021] A kind of laser sensor support for testing robot mechanical arm rigidity, support includes upper connecting ring 1 and lower connecting ring 2, it further includes three groups of telescopic legs 3 and the reinforcing leg 4 corresponding to the telescopic leg one by one, the top of telescopic leg 3 is movably connected with upper connecting ring 1, one end of reinforcing leg is connected with the middle part of telescopic leg 3, and the other end is movably connected with lower connecting ring 2, square positioning sleeve 5 is arranged in upper connecting ring 1 and lower connecting ring 2, rotating head 6 is arranged on positioning sleeve 5 for tightly and fixed square tube 7 passing through positioning sleeve 5, vertical fixed plate 8 is arranged on square tube 4, and mounting seat 9 for containing laser sensor is arranged on both sides of fixed plate.

[0022] Upper connecting ring 1: as the upper connecting part of support, for fixing the upper end of laser sensor support. Lower connecting ring 2: as the lower connecting part of support, for fixing the lower end of laser sensor support. Telescopic leg 3: by three groups, for supporting the whole support, and the height can be adjusted as required. Reinforcing leg 4: corresponding to telescopic leg one by one, enhances the stability and bearing capacity of support. Positioning sleeve 5: square structure, arranged in upper connecting ring and lower connecting ring, for positioning and fixing square tube. Rotating head 6: arranged on positioning sleeve, for tightly and fixed square tube passing through positioning sleeve. Square tube 7: pass through positioning sleeve, be fixed by rotating head, for connecting fixed plate. Fixed plate 8: vertically arranged on square tube, for fixing mounting seat. Mounting seat 9: for containing laser sensor, fixed on both sides of fixed plate.

[0023] When using, the top of telescopic leg 3 is connected with upper connecting ring 1, one end of reinforcing leg 4 is connected with the middle part of telescopic leg, and the other end is connected with lower connecting ring 2. Adjust height: the length of telescopic leg 3 and reinforcing leg 4 is adjusted as required. Square tube 7 passes through positioning sleeve 5, and is fixed by rotating head 6. Fixed plate 8 is installed on square tube 7. Install laser sensor: laser sensor is placed in mounting seat 9.

[0024] The telescopic supporting leg preferably comprises an outer supporting leg 31 and an inner supporting leg 32 arranged in the outer supporting leg, and a supporting head 33 arranged on the outer supporting leg for fixing the position of the inner supporting leg. A limiting groove 34 is arranged on the side of the outer supporting leg, and a limiting column 35 is arranged on the side of the inner supporting leg, which moves in the limiting groove 34 with the movement of the inner supporting leg 32 in the outer supporting leg.

[0025] The outer structure of the telescopic supporting leg contains the inner supporting leg. The inner supporting leg 32 is the inner structure of the telescopic supporting leg, which can move in the outer supporting leg. The supporting head 33 is arranged on the outer supporting leg for fixing the position of the inner supporting leg. The limiting groove 34 is arranged on the side of the outer supporting leg for limiting the movement range of the inner supporting leg. The limiting column 35 is arranged on the side of the inner supporting leg, which cooperates with the limiting groove to control the movement of the inner supporting leg.

[0026] The mounting base 9 preferably comprises a side plate 91, at least one set of fixing ears 92 arranged on the side plate, two sets of long circular slot holes 93 arranged on the fixing ears, a base 94 arranged at the bottom of the side plate, and a fixing ring 95 arranged at the middle of the side plate. The edge of the base 94 extends upward to form a fixing edge 96, and a fixing hole 97 is arranged at the center of the base. A foot support 10 is arranged at the bottom of the telescopic supporting leg. The side plate constitutes the side of the mounting base. The fixing ears 92 are arranged on the side plate for fixing the laser sensor. The slot holes 93 are arranged on the fixing ears for adjusting the position of the laser sensor. The base 94 is the bottom structure of the mounting base for fixing the mounting base. The fixing ring 95 is arranged at the middle of the base for further fixing the mounting base. The fixing edge 96 is the part extending upward from the edge of the base for fixing the mounting base. The fixing hole 97 is arranged at the center of the base for fixing the mounting base. The foot support 10 is arranged at the bottom of the telescopic supporting leg for increasing the stability of the support.

[0027] The above is only a specific embodiment of the present technology, but the protection scope of the present technology is not limited thereto. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present technology, and these modifications or replacements should be covered within the protection scope of the present technology. Therefore, the protection scope of the present technology should be subject to the protection scope of the claims. The parts not described in the present technology are the existing technology or common knowledge in the art.

Claims

1. A laser sensor mount for testing the rigidity of a robotic arm of a machine, characterized by: The support comprises an upper connecting ring (1) and a lower connecting ring (2), further comprises three groups of telescopic legs (3) and a reinforcing leg (4) corresponding to the telescopic legs, the top of the telescopic leg (3) is movably connected with the upper connecting ring (1), one end of the reinforcing leg is connected with the middle of the telescopic leg (3), and the other end is movably connected with the lower connecting ring (2), the upper connecting ring (1) and the lower connecting ring (2) are provided with square positioning sleeves (5), the positioning sleeves (5) are provided with rotating jacks (6) for tightly fixing and fixing square tubes (7) passing through the positioning sleeves (5), the square tubes (7) are provided with vertical fixing plates (8), and the two sides of the fixing plates are respectively provided with mounting seats (9) for containing laser sensors.

2. The laser sensor holder for testing the rigidity of a robot arm of a robot according to claim 1, characterized in that: The telescopic leg comprises an outer leg (31) and an inner leg (32) arranged in the outer leg, and the outer leg (31) is provided with a leg fixing head (33) for fixing the position of the inner leg (32).

3. The laser sensor holder for testing the rigidity of a robot arm of a robot according to claim 2, characterized in that: The outer leg is provided with a limiting groove (34) on the side edge, the inner leg is provided with a limiting column (35) on the side edge, and the limiting column moves in the limiting groove (34) with the movement of the inner leg (32) in the outer leg.

4. The laser sensor holder for testing the rigidity of a robot arm of a robot according to claim 1, characterized in that: The mounting seat (9) comprises a side plate (91), at least one group of fixing ears (92) are arranged on the side plate, two groups of long circular slot holes (93) are arranged on the fixing ears, a base (94) is arranged at the bottom of the side plate, and a fixing ring (95) is arranged at the middle of the side plate.

5. The laser sensor holder for testing the rigidity of a robot arm of a robot according to claim 4, characterized in that: The edge of the base (94) extends upward to form a fixing rail (96), and a fixing hole (97) is arranged at the center of the base.

6. The laser sensor holder for testing the rigidity of a robot arm of a robot according to claim 1, characterized in that: The telescopic leg is provided with a foot support (10) at the bottom.

Images